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Major Suppliers (Tables)
9 Months Ended
Nov. 30, 2016
Major Suppliers [Abstract]  
Summary of percentage of purchase from major vendors
Vendor % of Purchases 
Egide, USA  17%
Air Products and Services  12%
   29%


 

Vendor % of Purchases 
Egide, USA  28%
Sintermetalglass  17%
   45%


Vendor % of Purchases 
Egide, USA  21%
Air Products  10%
   31%


 

Vendor % of Purchases 
Wuxi Streamtek LTD  18%
Sintermetalglass  17%
   35%